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Enable modbus control on SMA STPS

  1. Log in to EnnexOS

  2. IMPORTANT! Make sure your inverter is set as slave and not as master device

  3. Set the following parameters:

    1. Parameter.Inverter.WModCfg.WCtlComCfg.Dyn.WGraEna: On

    2. Parameter.Inverter.WModCfg.WCtlComCfg.Dyn.WGraPos: 1000%/s

    3. Parameter.Inverter.WModCfg.WCtlComCfg.Dyn.WGraNeg: 1000%/s

    4. Parameter.Inverter.WModCfg.WMod: 1079 External Active Power

    5. Parameter.Operation.OpMod: 1467 Start